Heating system.



N0. 890,138.- .PATENTED JUNE 9, l908. E. H. GOLD.

HEATINGSYSTEM.

APPLICATION FILED MAY 21, 1906. 1

4 sma'rsfsmm 1 N0. 890,;38. v PATENTED JUNE 9, 1908.- E. H'. GOLD. HEATING SYSTEM.

APPLIOYA'IR'ION FILED MAY 21, 1906.

v 4 SHEETSSHEET 2.

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PATENTED JUNE 9, 1908. E. H. GOLD. HEATING SYSTEM.

APIVLIGATIO'N FILEDIMAY 21, 1906.

(SHEETS-SHEET s.

' No. 890,138. PATENTED JUNE 9, 1908.

B. H. GOLD.

HEATING SYSTEM. APPLICATION FILED MAYZIJQOG.

4SHEETS-SHEET 4,

-known as the vapor system.

EGBERT H. GOLD, OF CHICAGO, ILLINOIS.

HEATING SYSTEM.

Application filed May 21, 1906. Serial No. 318,015.

To all whom it may concern:

Be it known that I, EGBERT H. GOLD, a citizen of the United States, residing at Chicago, in the county of Cook and State of .Illinois, have invented certain new and useful Improvements in Heating Systems, of which the following is a specification.

My invention relates to improvements in heating systems, particularly in those systems so constructed as to be operated by substantially. supply-pipe pressure or at a p. l termined lower pressure at will, and is particularly intended for use in the equipping of passenger cars.

Among the various objects of my invention is the provision of a device which maybe readily attached to a standard type of car-1 heating system arranged to. be operated under supply-pipe pressure, whereby, with a minimum disturbance of existing installa tions, the system may be made operative at wvill at either supply-pipe .pressure or at a come to be These and such other objects as may hereafter appear are attained by my present invention, a convenient embodiment of which is shown in the accompanying drawings, in which Figure 1 shows, in elevation, a standard automatic steam trap of a high-pressure heating system fitted with an attachment whereby the supply to said system may be automatically controlled by the temperature of the heating medium at a point adjacent to or relatively near the outlet of the steam. Fig. 2 is a view, partially in vertical section, of Fig. 1. Fig. 3 is a cross-section on the line of Fig. 1, looking in the direction indicated by the arrows. Fig. 4 is a section on lower pressure, such as what has the line 44 of Fig. 1, looking in the direction indicated by the arrows. Fig. 5 is a detail elevation with certain parts in section; Fig. 6 is a sectional view on the line 6-6 of Fig. 3, looking in the direction of the arrows.

Like reference characters indicate the same parts in the several fi ures of the drawings.

In passenger cars W ich are heated. by direct steam supply from the train-pipe, a standard type ,of automatic steam trap is substantially the same as the trap shown in my Patent No. 752,219. Such a trap'is indicated in Fig. 2 of the present draw1ngs,'1n which 1 is the return or exhaust-pippleading from the radiating system into t e valvecasing 2, which is provided with a valve-seat Specification of Letters Patent.

Patented June 9, 190's.

3. The opening through this valve-seat is adapted to be automatically opened and closed by avalve 4 mounted on a valve-stem 5 and actuated by a thermostatic. member, such as the flexible diaphragm 6, which is hollow and contains a volatile fluid, and is mounted in a diaphragm-casing 7, from which the water of condensation and cold air may escape throu h openings 8. This diaphragm is rovide with an adjusting stem 9, whereby t e automatic action of the valve 4 may be properlyadjusted. From the valveseat 3 a casing or drip pipe 10, 10 extends downwardly, connecting with the diaphragmcasmg 7. iar. When steam is rimarily admitted to the heating system t e cold air, and any accumulation of water of condensation, is

forced throu h the valve-seat 3, the casing 10, 10 and t e diaphragm-casing 7 and out through the openings 8, the diaphragm 6 being cold and contracted. As the radiating pipes are filledwith steam, the steam fills the return-pipe 1 and thence flows downwardly through the valve seat 3, the casing 10, 1'0, into the diaphragm-chamber 7 and around the diaphragm 6, thereby heating and expanding the diaphragm 6 which, thereupon, ifts the valve-stem 5 and closes the valve 4 against the seat 3. With such valves it is blow-off valve, comprising a valve-seat 11 and a valve 12, provided witha valve-stem 13 and a hand-wheel 14. This blow-off valve is normally closed and leads around the valve seat 3 to a passage-way 15 connecting with an outer pi e or casing 16, which usually and preferab y extends downwardly to a point adjacent to the top of the diaphragmchamber 7. With this construction, whenever the blow-ofl valve is open the water of condensation, cold air and steam will flow freely through the blow-oflval-ve, around the casing or pipe 10 and againstthe diaphragmcasing 7, and thence to the atmosphere, so that a quick and free blow-0H is provlded and,

REISSUED The action of this valve isfamih also usual to provide the casing 2 with a become frozen, it may be readily thawe out.

I have thus particularly described such standard device because my present invention is culiarly adapted-as arr-attachment for sue a device, with a minimum disturbance thereof. As ordinarily installed, all

of such steam trap, except the-upper" parts I v part of pipes 10- and 16 and the parts contained therein, are below the floor of thecar which, in Fig. 1, is conveniently indicated at 17. T

In attaching my present device, it is merely.

necessary to cut oil a portion of the lower part of the blow-oif pi e 16 and to mount my present attachment t ereon and to then connectsuch attachment, .With short pipes, to-

the train-pi e or. other source of supply of the heating me ium,' and to the radiating ices all otwhich connections 'eanbe made e ow the floor of the car, and. thus without other disturbance of the previous installation and,

, guided in any suitable manner as, for 'in stance, within the valve-seat 22,

and a nipple 24, m which the, valve-stem 25 extends;

The inlet-chamber, 19 is connected with a source of supply, such as the train-pipe, by a pipe 26, whi e the valve-chamber 20 connects Wl'tll the radiating system by a pipe 27. 'VVhen 1hr lower end of the 'casing or pi e 16, of the automatic steam trap] revious y described, has been 'cutiawayan the casing 18 mounted thereon,; the passage-way between the pipes 1U andlffifwill connect with the passage-vay 28 in the casing 18, said passage-way beingiseparated, by suitable partitions, fro1n the inlet-chamber 19 and the valve-chamber 20., Consequently, still re-;

ierring to Fig. 3, when'stearn, for example, is turned, on, it will enter the chamber 19 from the pipe 26 will pass through the valve 22 and the chamber 29, and thence through the piece 27 to the radiator, whence it will return side Fig. 2),throug'h the pipe]. tofthe casing 2. If,-no-w,, the bl owl-o ii valve 12 is open, the returning steam will not only flow through'the valve. seat 3 into the casing 10 r and thence to the diaphragm-casing 7 and to the atmosphere, but will also ilow through the valve 1'1Iand pipe 16 to the passage-way 28- and thence downwardly to the outlet:

-ber29 is contained in a diaphragm-oasing3l,

chamber .29 (uideFigA). I The outlet-cham- --whieh is provided with openings outlets 30 1 leading. to the atmosphere, or other discharge" point. v,The diaphragm-casing31 contains a so I thermostatic member 32 which reterably in thetorin of a diaphragm sirni ar to the diaphragm' 6, but. which -x\ ill ordinarily be n-ountedin a vertical psition, asshown in l1e.- draw'ings; ""llliis gliapliragm' ranged to actuate a stem 33 and is provided stem 25. Consequently, when the stem 33,

ing position, shown-fin Fig. 3, andjthe valve" simply-serve to throttle tl'ievalveE-23 to such-ithrough the'chamber 2,9,I provi'dea stu n with an I The stem 33 is held in one position, as shown in Fig. 4, by a spring 35 and engages a rock-arm 36. This rock -arm 36 is rigidly attached-to a rocksliaft'ofstem 37, which extends upwardly 7O (tide Fig. 2), and through a stuffing-box -38, into" the valve-chamber '20 (side Fig. 3) where :it is rigidly lconnected with a rockarm'39, which, in turn, engages the valvein the chamber 29, isheld in theposit on shown in Fig. 4, bythe spring. 35, the ro c;k arm 39 and stem 25will be in the correspond 23 will be open. When, however, the How of steam through the return-Ipipe Lreaches l the outlet-chamber 29, it wi heat the diaphragm or thermostat. 32, causingj'the same 3 to expandsufficientlyto overcome the expansion. of the spring 35, whereupon the 5 stem 33 willbe forced against the spring 35 the spring 35 will be compressed, ttreroolg- I shalt'37 will be rocked, so as to cause'ai qtlir sponding movement of the rock-ar in39 (F" 3), and the valve 23 willbe wholly tially, closed, according to the degreeofex-j pansio'n'of the thermostat32, the expansion 1 of which will, in turn, depend upon therela tive efiect of the steam in the chamber- 29 1 and-of the cooling influence actinginbp'po sition thereto upon the thermostat 32 in ad-j f l dition'to the action of the spring 35.: @r'dinarily the apparatus will-be so'adju'sted that when the chamber 29 is filled withfc lry va or, f

the expansion of the thermostat 132. wil be sufficient to close the-valve23, but, whenthe' radiation fromth'e heating. system is ,of such rapidity that the steam is in-a-}pa; -"tially 001 'densed condition when it reaches the cha ni t ber 29, the'action of the thermostat 32-'will'..il)5

an extent that there'willbe as ufiicient inflow of steamtrom thehigli-pressure siipplya pi e to comensate forjthe"condensation wl a ichtakes ace between theinlet-valvej23.

any leakage of-steam from the plassagefls di rectly to the"atmosphere" wit OutApassnig box 40(Fig.2).." j 1 It will be readily understoodf.t-l1at within invention applied in the inanner above ile scribed, the steamwill operate at supply-pip pressure so long as the valve 1 2-(-'l 1g closed, 'for the only outlet 'lllZ'tllllt eve 1.10 and the disc arge-chamber29. "loprevent" 1 I 120. be through the valve seat )3; which 'will be =1 Y automatically cl os'edwhenever: the escaping he ever lthe {-1251v cept when there is an accumulation of condense-water or cold an 111 the pipes, and the return or exhaust steam Wlll pass from the casing 2 into the casing 18, through the passage-way 28 to the chamber 29, where it will actuate the thermostat controlling the steam inlet-valve Consequently, the system may be economically operated as a low-pres sure or vapor system, thereby insuring a uniform and moderate heat throughout a train and, at the same time, to meet any conditions which may require it, the system may be operated at full supply )ipe pressure, whereby the temperature will be promptly and greatly increased. So, also, by leaving the valve 12 initially closed, the system may be initially heated at high pressure until the car has been raised to the desired temperature, whereupon the valve 12 may be opened,

the over-heating of the car avoided, and the maintenance of the desired temperature insured. 7

inasmuch as this system operates as a vapor system when the blow-oil valve is open, it is evident that there will be no pressure in the blow-oil pipe; consequently there is no need fora tight joint between the blowoi'l' pipe and the casing 18. -This enables me to use a simple slip joint at this point, so that the casing 18 may be turned on this joint to permit of the adjustment of the connecting pipes at any convenient angle which the construction and fittings of any particular car may require. So, also, the construction of the casing 18 is such that the ports to which the steam pipes are connected may be tapped in at any-one of several points, thus permitting of the ready adjustment of this casing 18 to a car already in service and connection with the previously installed steam pipes, with a minimum of delay and expense.

I claim:

1. The combination with a radiating systern, a supply pipe and a trap communicating with the radiating systermsaid trap comprising a drip pipe, a valve to close said drip pipe, a blow-oh pipe, and a valve"'for said blow-off pipe, of an attachment connected with said trap said attachment com rising a casing having therein a valve dham or communicating with said supply p1 e and wlth the radiating system am an out et chamber communicating with the blow-oil pi e, an

inlet valve in said valve chamber to s ut ofl' communicationbetween the supply pipe and the radiating system, and a thermostatlc device in the outlet chamber to control said inlet valve.

2. The combination with a radiating system, a supply pipe and a trap communicating with tae radiating system said trap comprising a drip pipe, a valve to close said drip pipe, a blow-oil pipe, and a valve for said blow-oil pipe, of an attachment connected with said trap said attachment com-prising a drip pipe leading rom the exhaust casing having therein a valve chamber communicating with said supply pi e and with the radiating system and an out et chamber connected with the blow-off pi e, an inlet valve in said valve chamber to s ut 03 communication between the supply pipe and the radiating system, and a thermostatic device in. the outlet chamber to control. said inlet valve, said attachment rotatably connected with the trap.

3. The combination with a-radiating system, a supply pipe and a trap connected with the radiating system and comprising an inner drip pipe and an outer blow-oil pipe, of an attachment comprising a casing surrounding said blow oif and drip pipes and having a valve chamber communicating with the supply pipe and the radiating system and an outlet chamber connected with the blow-0H pipe, an inlet valve in the valve chamber to shut off communication between the supply pipe and the radiating system, and a thermoe static device in said outlet chamber to operate said inlet valve.

4. The combination with a radiating systern, of a supply pipe/an exhaust pipe, a drip pipe leading from the exhaust pipe, a valve to automatically close the drip pipe, a blow-oil pipe leading from the exhaust pipe, a valve to close said blow-off pipe a casing attached to and having chambers in commu nication with the blow-off pipe and the inlet end of the radiating system, respectively, an inlet valve in said casing to co trol the flow of heating fluid from the su ply pipe, and a 100 thermostatic device in sai casing and in communication with the blow-off pipe to operate the inlet valve. g

5 The combination with a radiating system, of a supply ipe, an exhaust pipe,.a 105 pipe, 3; valve to automatically close the drip pipe, a blow-off ipe leading from the exhaust pipe beyond '0 e drip-pipe, a valve to close said blow-off pipe a casing attached to and hav- 11o ing chambers in communication, with the blow-off pipe and the inlet end of the radiate ing system, respectively, an inlet valve in said casing to control the flow of heating fluid from the sup ly pipe, and a thernio- 115 static device in saidbasing and in communication with the blow-off pipe to operate the inlet valve.

6. The combination with a radiating system, of a supply ipe, an exhaust pipe, a 120 drip pipe leading .rom the exhaust pipe, a

valve to automatically close the drip pipe, a

blow-off 1pipe leading from the exhaust pipe,

a manna y operates valve to open and close the blow-off pipe without'obstruction to the fiow of heating fluid to the drip pipe a casing attached to and havingchambers in communication with the blow-off pipe and the inlet end of the radiating system, respectively, an inlet valve in said casing to control the flow 13a drip pipe, a blow-ofl pipe,

'ing having therein a valve chamber cornmnof fluid from the su ply pipe, and a thermo-' static device in sai casing and in communication witlnthe blow-ofl pipe to operate said inlet valve. 7. 'llie combination with a radiating sysl tern, a supply pipe and a trap communicating with the radiating system and com rising a l drip pipe, 0. thermostatic valve to c ose said 5 and a valve for sai low-oil ipe, of an attachment connected with said trap and comprising 9. casl 1 nicating with said sup )ly pipe and with the rediatlng system, ant an outlet chamber communicating with the blovwofi? pipe, an 111-.

let valve in said Valve chamber to shut oli' communication. between the supply pipe and the radiating system; and a thermostatic ale- Vice in the outlet chamber to control said inlet valve.

EGBERT H. GOLD.

VVitnessos:

G. Y. SKINNEH, HELEN l1. PnoK. 

